PT-2021-23901 · Unknown · Hyperledger Fabric

Govulnbot · Published 2021-11-18 · Updated 2021-12-03 · CVE-2021-43669

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: HyperLedger Fabric versions 1.4.0, 2.0.0, 2.0.1, 2.3.0

Description: A vulnerability has been detected that can easily break down as many orderers as the attacker wants by constructing a message with an invalid header to the Order interface.

Recommendations: For HyperLedger Fabric version 1.4.0, update to a version that includes the fix for this issue. For HyperLedger Fabric version 2.0.0, update to a version that includes the fix for this issue. For HyperLedger Fabric version 2.0.1, update to a version that includes the fix for this issue. For HyperLedger Fabric version 2.3.0, update to a version that includes the fix for this issue.

Fix

HTTP Request/Response Smuggling

Weakness Enumeration

CWE-444

Related Identifiers

CVE-2021-43669

GHSA-J96P-R523-8R3W

Affected Products

Hyperledger Fabric

References · 7

• https://github.com/hyperledger/fabric/pull/2828 · Patch
• https://osv.dev/vulnerability/GHSA-j96p-r523-8r3w · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43669 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43669 · Vendor Advisory
• https://jira.hyperledger.org/browse/FAB-18528 · Vendor Advisory
• https://github.com/hyperledger/fabric · Note
• https://github.com/hyperledger/fabric/releases/tag/v2.4.0-beta · Note